/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.cadoc.parser.statement.interpreter;

import org.cadoc.parser.LanguageToken;
import org.cadoc.parser.statement.Modifier;
import org.cadoc.parser.statement.OperationDeclaration;

public class OperationDeclarationInterpreter extends
		AbstractStatementInterpreter implements
		StatementInterpreter<OperationDeclaration> {

	public void interpret(OperationDeclaration stmt, String[] stmtArr) {
		for(Modifier modifier : fetchModifiers(stmtArr)){
			stmt.addModifier(modifier);
		}
		String returnType = null;
		String methodName = null;
		
		String[] param = null;
		boolean inParams = false;
		
		for(String s : stmtArr){
			if(s==null){
				continue;
			}
			if(returnType==null){
				returnType = s;
				stmt.setReturnType(returnType);
				continue;
			}
			if(returnType!=null && methodName==null){
				methodName = s;
				stmt.setValue(s);
				continue;
			}
			if(s.charAt(0) == LanguageToken.PARAMETER_BEGIN){
				param = new String[2];
				inParams = true;
				continue;
			}
			if(inParams && param!=null && param[0]==null){
				param[0] = s;
				continue;
			}
			if(inParams && param!=null && param[0]!=null && param[1]==null){
				param[1] = s;
				continue;
			}
			if(s.charAt(0) == LanguageToken.PARAMETER_SEPERATOR && param!=null){
				stmt.addParameter(param);
				param = new String[2];
				continue;
			}
			if(inParams && s.charAt(0) == LanguageToken.PARAMETER_END){
				if(param!=null){
					stmt.addParameter(param);
				}
				inParams=false;
				continue;
			}
		}
		
	}

}
